Re: Building identifiers algorithmically

[David Kastrup]

Richard Shann <address@hidden> writes:

> On Sun, 2015-03-22 at 08:01 +0100, David Kastrup wrote:
>> "Trevor Daniels" <address@hidden> writes:
>> 
>> > Now while this works it seems rather clunky, so I'm wondering if there
>> > is a more elegant way of doing this.  Symbols look like they might
>> > help, but so far I've failed to make anything work.  I've also failed
>> > with macros, but that's likely because I don't understand them yet.
>> 
>> When a function is evaluated, its arguments are read, evaluated, and the
>> function is called with the unevaluated
>
> I guess you meant evaluated here???

Whoever was sitting at my keyboard better would have meant "evaluated".

>>  arguments, and the result of
>> that call is used.
>> 
>> When a macro is evaluated, its arguments are read, the macro is called
>> with the unevaluated arguments, and the result of that call is
>> evaluated before use.
>> 
>> It's just a matter of where the evaluation happens.  With a function, it
>> is before the call, with a macro, it is after the call.  That's all
>> there is to it.

-- 
David Kastrup